/**
 * MARDOX CAPITAL — Shared Components
 * ====================================
 * Navigation, footer, and shared utility styles.
 * Used across all pages.
 */

/* ─── Reset & Base ──────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

/* ─── Container ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ─── Navigation ────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.7);
  /* Primary-tinted glass */
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--color-primary-10);
  z-index: 1000;
  transition: all var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav__logo {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #000000;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  background: black;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 0.9rem;
  overflow: hidden;
}

.nav__logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.4rem;
  background: var(--color-obsidian);
  color: var(--color-text-on-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.nav__cta:hover {
  background: var(--color-obsidian-light);
  transform: translateY(-1px);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
  border-color: rgba(99, 102, 241, 0.5);
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(100vh - var(--nav-height)); /* Force fill viewport */
  background-color: var(--color-bg); /* Explicit solid background */
  padding: var(--space-2xl) var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 1001;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
  overflow-y: auto; /* Handle long menus on small screens */
}

.nav__mobile-menu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile-link {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.nav__mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 1rem 2rem;
  background: var(--color-primary);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }
}

/* ─── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-primary);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn--primary {
  padding: 0.9rem 2rem;
  background: var(--color-obsidian);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.btn--primary:hover {
  transform: translateY(-2px);
  background: var(--color-obsidian-light);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(99, 102, 241, 0.3);
  border-color: rgba(99, 102, 241, 0.4);
}

.btn--secondary {
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--color-text);
  font-size: 1rem;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.btn--large {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
  border-radius: var(--radius-xl);
}

.btn--full {
  width: 100%;
}

/* ─── Section Spacing ───────────────────────────────── */
.section {
  padding: var(--space-5xl) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--gradient-dark);
  color: var(--color-text-on-dark);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section__badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
}

.section__title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.section--dark .section__title {
  color: var(--color-text-on-dark);
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section--dark .section__subtitle {
  color: var(--color-text-muted);
}

/* ─── Scroll Animations ────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ─── Footer ────────────────────────────────────────── */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-muted);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 280px;
}

.footer__brand-name {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: white;
  margin-bottom: var(--space-md);
}

.footer__brand-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.footer__column-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: white;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.footer__link {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: white;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
}

.footer__social {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.footer__social:hover {
  background: var(--color-primary);
  color: white;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .section__title {
    font-size: 1.75rem;
  }

  .section {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Theme Toggle Button ──────────────────────────── */
.theme-toggle {
  position: relative;
  width: 52px;
  height: 28px;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0 4px;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-primary);
}

.theme-toggle__track {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2px;
}

.theme-toggle__icon {
  font-size: 0.7rem;
  line-height: 1;
  z-index: 1;
  transition: opacity var(--transition-base);
}

.theme-toggle__icon--sun {
  opacity: 0.4;
}

.theme-toggle__icon--moon {
  opacity: 1;
}

[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 1;
}

[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 0.4;
}

.theme-toggle__thumb {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  top: 50%;
  left: 3px;
  transform: translateY(-50%);
  transition: left var(--transition-base);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle__thumb {
  left: calc(100% - 23px);
}

/* Dark mode nav glass effect */
[data-theme="dark"] .nav {
  background: rgba(11, 15, 26, 0.7);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .nav__logo {
  color: white;
}

[data-theme="dark"] .nav__mobile-menu {
  background: var(--color-bg);
}

/* Hiding theme toggle globally — EASY REVERT: remove this block */
.theme-toggle {
  display: none !important;
}